MCKENNA KATHLEEN ZERFAS
NPI 1053764837
Counselor - Mental Health in Berkeley, CA

NPI Status: Active since July 18, 2016

Contact Information

2222 BANCROFT WAY
#4300
BERKELEY, CA
ZIP 94720
Phone: (510) 642-9494

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MCKENNA ZERFAS

This page provides the complete NPI Profile along with additional information for Mckenna Zerfas, a provider established in Berkeley, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1053764837 assigned on July 2016. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1053764837
Provider Name
MCKENNA KATHLEEN ZERFAS
Gender
Female
Entity Type
Individual
Location Address
2222 BANCROFT WAY #4300 BERKELEY, CA 94720
Location Phone
(510) 642-9494
Mailing Address
1519 MCALLISTER ST SAN FRANCISCO, CA 94115
Mailing Phone
(443) 365-7013
Is Sole Proprietor?
No
Enumeration Date
07-18-2016
Last Update Date
07-18-2016
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A mental health counselor like Mckenna Zerfas provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1053764837, we treat the final digit (7) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
7
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 7 → 14 → 5 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 0 + 3 + 1 + 4 + 6 + 8 + 8 + 6 + 24 = 63

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1053764837.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
2222 BANCROFT WAY, #4300
BERKELEY, CA 94720
Family Medicine (Adult Medicine)
2222 BANCROFT WAY
BERKELEY, CA 94720
Nurse Practitioner (Adult Health)
2222 BANCROFT WAY
BERKELEY, CA 94720
Family Medicine
2222 BANCROFT WAY
BERKELEY, CA 94720
Emergency Medicine
2222 BANCROFT WAY, 4300
BERKELEY, CA 94720
Nurse Practitioner
2222 BANCROFT WAY
BERKELEY, CA 94720
Nurse Practitioner (Primary Care)
2222 BANCROFT WAY
BERKELEY, CA 94720
Physical Therapist
2222 BANCROFT WAY, #4300
BERKELEY, CA 94720
Nurse Practitioner (Psychiatric/Mental Health)
2222 BANCROFT WAY, #4300
BERKELEY, CA 94720
Social Worker (Clinical)
2222 BANCROFT WAY, #4300
BERKELEY, CA 94720
Family Medicine (Adult Medicine)
2222 BANCROFT WAY
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT WAY
BERKELEY, CA 94720
Counselor (Mental Health)
2222 BANCROFT WAY, COUNSELING AND PSYCHOLOGICAL SERVICES
BERKELEY, CA 94720
Psychologist
2222 BANCROFT WAY, 3RD FLOOR, COUNSELING & PSYCHOLOGICAL SERVICES
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT WAY, UNIVERSITY HEALTH SERVICE - CPS
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT WAY
BERKELEY, CA 94720
Social Worker
2222 BANCROFT WAY
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT WAY, TANG CENTER UC BERKELEY
BERKELEY, CA 94720
Psychologist (Counseling)
2222 BANCROFT WAY, CPS- UNIVERSITY HEALTH SERVICES
BERKELEY, CA 94720
Counselor
2222 BANCROFT WAY
BERKELEY, CA 94720

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053764837, enumerated as an "individual" on July 18, 2016.

The provider is located at 2222 BANCROFT WAY #4300 BERKELEY, CA 94720 and the phone number is (510) 642-9494.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.